<template>
  <div class="seller" ref="seller">
    <div class="seller-content">
      <div class="overview">
        <h1 class="title">{{seller.name}}</h1>
        <div class="desc border-1px">
          <star :size="36" :score="seller.score"></star>
          <span class="text">（{{seller.ratingCount}}）</span>
          <span class="text">月售{{seller.sellCount}}单</span>
        </div>
        <ul class="remark">
          <li class="block">
            <h2>起送价</h2>
            <div class="content">
              <span class="stress">{{seller.minPrice}}</span>元
            </div>
          </li>
          <li class="block">
            <h2>商家配送</h2>
            <div class="content">
              <span class="stress">{{seller.deliveryPrice}}</span>元
            </div>
          </li>
          <li class="block">
            <h2>平均配送时间</h2>
            <div class="content">
              <span class="stress">{{seller.deliveryTime}}</span>元
            </div>
          </li>
        </ul>
        <div class="favorite" @click="toggleFavorite">
          <i class="icon-favorite" :class="{'active':favorite}"></i>
          <span class="text">{{favoriteText}}</span>
        </div>
      </div>
      <split></split>
      <div class="bulletin">
        <h1 class="title">公告与活动</h1>
        <div class="content-wrapper border-1px">
          <p class="content">{{seller.bulletin}}</p>
        </div>
        <ul v-if="seller.supports" class="supports">
          <li class="support-item border-1px" v-for="item in seller.supports">
            <span class="icon" :class="classMap[item.type]"></span>
            <span class="text">{{item.description}}</span>
          </li>
        </ul>
      </div>
      <split></split>
      <div class="pics">
        <h1 class="title">商家实景</h1>
        <div class="pic-wrapper" ref="picWrapper">
          <ul class="pic-list" ref="picList">
            <li class="pic-item" v-for="pic in seller.pics">
              <img :src="pic" width="120" height="90">
            </li>
          </ul>
        </div>
      </div>
      <split></split>
      <div class="info">
        <h1 class="title border-1px">商家信息</h1>
        <ul>
          <li class="info-item" v-for="info in seller.infos">{{info}}</li>
        </ul>
      </div>
    </div>
  </div>
</template>

<script>
  import BScroll from 'better-scroll';
  import star from '../star/star';
  import split from '../split/split';

  import {saveToLocal, loadFromLocal} from '../../common/js/store';

  export default{
    props: ['seller'],
    components: {star, split},
    data() {
      return {
        classMap: ['decrease', 'discount', 'special', 'invoice', 'guarantee'],
        favorite: (function (self) {
          return loadFromLocal(self.seller.id, 'favorite', false);
        })(this)
      }
    },
    mounted() {
      this._initScroll();
      this._initPic();
    },
    computed: {
      favoriteText() {
        return this.favorite ? '已收藏' : '收藏';
      }
    },
    methods: {
      _initScroll() {
        this.$nextTick(function () {
          if (!this.scroll) {
            this.scroll = new BScroll(this.$refs.seller, {click: true});
          } else {
            this.scroll.refresh();
          }
        });
      },
      _initPic() {
        this.$nextTick(function () {
          if (this.seller.pics) {
            let picwidth = 120;
            let margin = 6;
            let width = (picwidth + margin) * this.seller.pics.length - margin;
            this.$refs.picList.style.width = width + "px";
            if (!this.picScroll) {
              this.picScroll = new BScroll(this.$refs.picWrapper, {scrollX: true, eventPassthrough: 'vertical'});
            } else {
              this.picScroll.refresh();
            }
          }
        });
      },
      toggleFavorite(event) {
        if (!event._constructed) return;
        this.favorite = !this.favorite;
        saveToLocal(this.seller.id, 'favorite', this.favorite);
      }
    },
    watch: {
      seller() {
        this._initScroll();
        this._initPic();
      }
    }
  };
</script>

<style lang="scss">
  @import "../../common/sass/mixin";

  .seller {
    position: absolute;
    top: 174px;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    .overview {
      padding: 18px;
      position: relative;
      .title {
        margin-bottom: 8px;
        line-height: 14px;
        color: rgb(7, 17, 27);
        font-size: 14px;
      }
      .desc {
        padding-bottom: 18px;
        font-size: 0;
        @include border-1px(rgba(7, 17, 27, .1));
        .star {
          display: inline-block;
          vertical-align: top;
          margin-right: 8px;
        }
        .text {
          display: inline-block;
          line-height: 18px;
          margin-right: 12px;
          font-size: 10px;
          color: rgb(77, 85, 93);
        }
      }
      .remark {
        display: flex;
        padding-top: 18px;
        .block {
          flex: 1;
          text-align: center;
          border-right: 1px solid rgba(7, 17, 27, .1);
          &:last-child {
            border-right: 0;
          }
          h2 {
            margin-bottom: 4px;
            line-height: 10px;
            font-size: 10px;
            color: rgb(147, 153, 159);
          }
          .content {
            line-height: 24px;
            font-size: 10px;
            color: rgb(7, 17, 27);
            .stress {
              font-size: 24px;
            }
          }
        }
      }
      .favorite {
        position: absolute;
        right: 18px;
        top: 18px;
        text-align: center;
        width: 40px;
        .icon-favorite {
          display: block;
          color: #d4d6d9;
          font-size: 24px;
          line-height: 24px;
          margin-bottom: 2px;
          &.active {
            color: rgb(240, 20, 20);
          }
        }
        .text {
          font-size: 10px;
          line-height: 10px;
          color: rgb(77, 85, 93);
        }
      }
    }
    .bulletin {
      padding: 18px 18px 0 18px;
      .title {
        margin-bottom: 8px;
        line-height: 14px;
        color: rgb(7, 17, 27);
        font-size: 14px;
      }
      .content-wrapper {
        padding: 0 12px 16px 12px;
        @include border-1px(rgba(7, 17, 27, .1));

        .content {
          line-height: 24px;
          font-size: 12px;
          color: rgb(240, 20, 20);
        }
      }
      .supports {
        .support-item {
          padding: 16px 12px;
          font-size: 0;
          @include border-1px(rgba(7, 17, 27, .1));
          &:last-child {
            @include border-none;
          }
        }
        .icon {
          display: inline-block;
          vertical-align: top;
          width: 16px;
          height: 16px;
          margin-right: 6px;
          -webkit-background-size: 16px 16px;
          background-size: 16px 16px;
          background-repeat: no-repeat;
          &.decrease {
            @include bg-img("decrease_4")
          }
          &.discount {
            @include bg-img("discount_4")
          }
          &.guarantee {
            @include bg-img("guarantee_4")
          }
          &.invoice {
            @include bg-img("invoice_4")
          }
          &.special {
            @include bg-img("special_4")
          }
        }
        .text {
          line-height: 16px;
          font-size: 12px;
          vertical-align: top;
          color: rgb(7, 17, 27);
        }
      }
    }
    .pics {
      padding: 18px;
      .title {
        margin-bottom: 8px;
        line-height: 14px;
        color: rgb(7, 17, 27);
        font-size: 14px;
      }
      .pic-wrapper {
        width: 100%;
        overflow: hidden;
        white-space: nowrap;
        .pic-list {
          font-size: 0;
          .pic-item {
            display: inline-block;
            margin-right: 6px;
            width: 120px;
            height: 90px;
            &:last-child {
              margin-right: 0;
            }
          }
        }
      }
    }
    .info {
      padding: 18px 18px 0 18px;
      color: rgb(7, 17, 27);
      .title {
        padding-bottom: 16px;
        line-height: 14px;
        color: rgb(7, 17, 27);
        font-size: 14px;
        @include border-1px(rgba(7, 17, 27, .1));
      }
      .info-item {
        padding: 16px 12px;
        line-height: 16px;
        @include border-1px(rgba(7, 17, 27, .1));
        font-size: 12px;
        &:last-child {
          @include border-none;
          padding-bottom: 40px;
        }
      }
    }
  }
</style>
